Analysis and Detection of the Degrees and Direction of Correlations between Key Indicators of Physical Fitness of 10-12-year-old Hockey Players

In this paper an investigation of the relationships and correlations between the 11 indicators of physical fitness, the level of which has a leading role in the sports training of 10-12-year-old hockey players. The obtained results show that there is a tendency of a slight increase of the existing correlations from weak to moderate, moderate to significant, and from significant to strong in the first year of the experiment (age 10-11). Such correlation was also observed in the second year (age 11-12) when even very strong correlations were found between 4 indicators for boys and 3 for girls.